Home / 755,351.40-1,042,414.66-415,851.24

Finding the Fourth Proportional to 755,351.40, 1,042,414.66 and 415,851.24

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Solution

The fourth proportional to 755,351.40, 1,042,414.66 and 415,851.24 is: 573,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,351.40 : 1,042,414.66 = 415,851.24 : x
  2. Step 2: Convert to fraction form
    755,351.40/1,042,414.66 = 415,851.24/x
  3. Step 3: Cross multiply
    755,351.40x = 1,042,414.66 × 415,851.24
  4. Step 4: Simplify right side
    755,351.40x = 433,489,428,955.18
  5. Step 5: Solve for x
    x = 433,489,428,955.18/755,351.40
  6. Step 6: Final answer
    x = 573,891.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.